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| author | Paul Mundt <lethal@linux-sh.org> | 2010-10-13 06:55:26 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-10-13 06:55:26 +0900 |
| commit | ace2dc7d12693545b67f15ab8cdb3d255c937713 (patch) | |
| tree | 18fa828ebe254e0137ec96a9e1cd4e146c6a7119 /arch/sh/math-emu | |
| parent | 5a30d7bfcd33c03f1f67d3e1c317eb5d6a6bc811 (diff) | |
| download | op-kernel-dev-ace2dc7d12693545b67f15ab8cdb3d255c937713.zip op-kernel-dev-ace2dc7d12693545b67f15ab8cdb3d255c937713.tar.gz | |
sh: wire up perf alignment and emulation faults.
This plugs in the alignment and emulation fault reporting for perf sw
events.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/math-emu')
| -rw-r--r-- | arch/sh/math-emu/math.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c index 1fcdb12..f76a509 100644 --- a/arch/sh/math-emu/math.c +++ b/arch/sh/math-emu/math.c @@ -12,6 +12,7 @@ #include <linux/types.h> #include <linux/sched.h> #include <linux/signal.h> +#include <linux/perf_event.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -619,6 +620,8 @@ int do_fpu_inst(unsigned short inst, struct pt_regs *regs) struct task_struct *tsk = current; struct sh_fpu_soft_struct *fpu = &(tsk->thread.xstate->softfpu); + perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0); + if (!(task_thread_info(tsk)->status & TS_USEDFPU)) { /* initialize once. */ fpu_init(fpu); |
